Luigi

Luigi is the younger twin brother of Mario from the Mario series. He looks almost like his brother, though Luigi is taller, and wears green, unlike Mario, who wears red.

Trivia

 * Luigi along with Mario, has brown hair but a black mustache.
 * Luigi may be a coward, but "Luigi" means "Famous Warrior" or "Renowned Fighter" in Italian.
 * It was revealed that Luigi was actually living in his brother's shadow throughout his life.
 * Luigi is one of the most popular video game characters, both in general public and in Nintendo.